Warren Buffett, CEO of Berkshire Hathaway (NYSE: BRK.A), is celebrated for his ability to pick stocks with enduring growth potential. His portfolio is filled with stocks offering competitive advantages, making them ideal long-term investments. With his portfolio consistently outperforming the market, adopting Buffett's picks can provide any portfolio with a solid foundation. Among Buffett's holdings, two undervalued stocks, Occidental Petroleum (NYSE: OXY) and Kraft Heinz (NASDAQ: KHC), stand out as strateg ...